John Cage Organ Project in Halberstadt
ORGAN2/ASLSP, the slowest and longest music piece ever heard, is being performed for 639 years in Halberstadt, Germany.
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In the background on the right, the organ
© Photo: Haupt & Binder
ORGAN2/ASLSP, the slowest and longest music piece ever heard, is being performed for 639 years in Halberstadt, Germany.